Biological Sciences and Healthcare, part 1

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Body organ > Structure of striated muscle and/or smooth muscle > muscle > Smooth muscle > Smooth muscle sphincter > Entire smooth muscle sphincter > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Body organ > Entire body organ > Entire smooth muscle (organ) > Entire smooth muscle sphincter > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Physical anatomical entity > Material anatomical entity > Entire body organ > Entire smooth muscle (organ) > Entire smooth muscle sphincter > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Body organ > Structure of striated muscle and/or smooth muscle > muscle > Smooth muscle > Entire smooth muscle (organ) > Entire smooth muscle sphincter > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Structure of pelvic region of trunk (body structure) > Anorectal structure > anus > Anus part > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Organ system > digestive system > digestive tract > Digestive tract part (body structure) > Gastrointestinal tract > Anorectal structure > anus > Anus part > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Structure of pelvic region of trunk (body structure) > Perineum > Anal region > anus > Anus part > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Pelvic cross-sectional segment of trunk > Perineum > Anal region > anus > Anus part > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Structure of abdominopelvic cross-sectional segment of trunk > Pelvic cross-sectional segment of trunk > Perineum > Anal region > anus > Anus part > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Structure of pelvic region of trunk (body structure) > Perineum > Muscle of perineum > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Pelvic cross-sectional segment of trunk > Perineum > Muscle of perineum > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Structure of abdominopelvic cross-sectional segment of trunk > Pelvic cross-sectional segment of trunk > Perineum > Muscle of perineum > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Musculoskeletal structure of trunk > Muscle of trunk > Muscle of perineum > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Organ system > musculoskeletal system > Regional musculoskeletal structure > Musculoskeletal structure of trunk > Muscle of trunk > Muscle of perineum > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Regional musculoskeletal structure > Musculoskeletal structure of trunk > Muscle of trunk > Muscle of perineum > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Body tissue > Soft tissues > skeletal muscle > Regional skeletal muscle structure > Muscle of trunk > Muscle of perineum > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Body organ > Structure of striated muscle and/or smooth muscle > muscle > skeletal muscle > Regional skeletal muscle structure > Muscle of trunk > Muscle of perineum > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Organ system > musculoskeletal system > Skeletal muscular system > Skeletal muscle and/or tendon structure > skeletal muscle > Regional skeletal muscle structure > Muscle of trunk > Muscle of perineum > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Organ system > musculoskeletal system > Regional musculoskeletal structure > Regional skeletal muscle structure > Muscle of trunk > Muscle of perineum > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Regional musculoskeletal structure > Regional skeletal muscle structure > Muscle of trunk > Muscle of perineum > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Structure of pelvic region of trunk (body structure) > Perineum > Anal region > Perianal region structure (body structure) > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Lower trunk > Pelvic cross-sectional segment of trunk > Perineum > Anal region > Perianal region structure (body structure) > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Topographic region > Body part > Trunk > Structure of subregion of trunk (body structure) > Structure of abdominopelvic cross-sectional segment of trunk > Pelvic cross-sectional segment of trunk > Perineum > Anal region > Perianal region structure (body structure) > Sphincter ani muscle > Sphincter ani internus muscle > Entire internal anal sphincter muscle

... > Body structure > Anatomical or acquired body structure (body structure) > Anatomical structure > Body organ > Structure of striated muscle and/or smooth muscle > muscle > Smooth muscle > Smooth muscle sphincter > Sphincter ani internus muscle > Entire internal anal sphincter muscle